Hey You!
Metal and Minerals may have survived 85 years of weather.
Answer:
A- Physical, B- Chemical, C- chemical, D- Physical
Explanation:
A is physical because you can see it changing its form is changing.
B is Chemical because a new substance is formed creating the orange color of rust.
C is a Chemical reaction because it is being broken down so the banana itself is changing not just how we see it.
D is physical because we are just changing the shape/ size of the item, not anything to do with its substances.
Answer:
Hey I dont know it but good luck!! :)
Explanation:
151.55 x 4 you have to add the molar masses for each element together.
